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Welcome to the Data Models MCQs Page

Dive deep into the fascinating world of Data Models with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Models, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Models, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through Data Models. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Models. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Models MCQs | Page 12 of 19

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Q111.
Subschema can be used to

a.

create very different, personalized views of the same data

b.

present information in different formats

c.

hide sensitive information by omitting fields from the sub-schema's description

d.

All of the above

Discuss
Answer: (d).All of the above
Q112.
The process of reading a database schema and producing a data model from that schema is known as:

a.

data modeling.

b.

database design.

c.

reverse engineering.

d.

None of the above is correct.

Discuss
Answer: (c).reverse engineering.
Q113.
The data model that is produced from reverse engineering is:

a.

a conceptual model.

b.

an internal model.

c.

a logical model.

d.

None of the above is correct.

Discuss
Answer: (d).None of the above is correct.
Q114.
A tool that can help designers understand the dependencies of database structures is a:

a.

dependency graph.

b.

data model.

c.

graphical display.

d.

None of the above is correct.

Discuss
Answer: (a).dependency graph.
Q115.
In the three-tier architecture, the intermediate layer between database and client servers is classified as

a.

functional server

b.

transaction server

c.

application server

d.

disk server

Discuss
Answer: (c).application server
Q116.
The form of data model in which the concepts provided are useful for end users and are also close to the way it is stored in computer system is called

a.

representational data models

b.

implementation data models

c.

clientele data models

d.

both a and b

Discuss
Answer: (d).both a and b
Q117.
The architecture of database in which the characteristics such as program insulations, multiple user support and the use of catalogs are achieved is classified as

a.

multiple-schema architecture

b.

single-schema architecture

c.

two-schema architecture

d.

three-schema architecture

Discuss
Answer: (d).three-schema architecture
Q118.
The form of data model which focuses the concepts in the same way as the data stored in computer system is classified as

a.

low level data models

b.

high level data models

c.

dynamic data models

d.

medium level data models

Discuss
Answer: (a).low level data models
Q119.
The type of legacy data model in which data is represented as record types and limited one to many relationships is called

a.

network relational models

b.

legacy network model

c.

hierarchy models

d.

network model

Discuss
Answer: (d).network model
Q120.
The type of server in two-tier architectures which provides the data to client stored on disk pages is called

a.

transaction server

b.

functional server

c.

disk server

d.

data server

Discuss
Answer: (d).data server
Page 12 of 19

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